title: Tillage impacts cereal-aphid (Homoptera: Aphididae) infestations in spring small grains.
mesh_terms: D000383:Agriculture / Q000379:methods*; D000818:Animals; D001042:Aphids / Q000502:physiology*; D002523:Edible Grain; D001467:Hordeum / Q000254:growth & development; D011156:Population Density; D012621:Seasons; D012987:Soil; D014908:Triticum / Q000254:growth & development
chemical_list: D012987:Soil